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Consul vs Nomad: What are the differences?
Developers describe Consul as "A tool for service discovery, monitoring and configuration". Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable. On the other hand, Nomad is detailed as "A cluster manager and scheduler". Nomad is a cluster manager, designed for both long lived services and short lived batch processing workloads. Developers use a declarative job specification to submit work, and Nomad ensures constraints are satisfied and resource utilization is optimized by efficient task packing. Nomad supports all major operating systems and virtualized, containerized, or standalone applications.
Consul can be classified as a tool in the "Open Source Service Discovery" category, while Nomad is grouped under "Cluster Management".
Consul and Nomad are both open source tools. Consul with 16.2K GitHub stars and 2.82K forks on GitHub appears to be more popular than Nomad with 4.86K GitHub stars and 882 GitHub forks.
According to the StackShare community, Consul has a broader approval, being mentioned in 131 company stacks & 52 developers stacks; compared to Nomad, which is listed in 21 company stacks and 3 developer stacks.
Pros of Consul
- Great service discovery infrastructure59
- Health checking35
- Distributed key-value store28
- Monitoring26
- High-availability23
- Web-UI12
- Token-based acls10
- Gossip clustering6
- Dns server5
- Not Java3
- Docker integration1
- Nacos0
Pros of Nomad
- Built in Consul integration7
- Easy setup6
- Bult-in Vault integration4
- Built-in federation support3
- Self-healing2
- Autoscaling support2
- Bult-in Vault inegration1
- Stable1
- Simple1
- Nice ACL1
- Managable by terraform1
- Open source1
- Multiple workload support1
- Flexible1
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Cons of Consul
Cons of Nomad
- Easy to start with3
- HCL language for configuration, an unpopular DSL1
- Small comunity1